* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

body {
    background: #ffffff;
    color: #333;
}

/* ===================== TOPBAR ============================ */

.topbar {
    width: 100%;
    padding: 25px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-small {
    height: 58px;
}

.nav-desktop {
    display: flex;
    gap: 30px;
}

.nav-desktop a {
    color: #333;
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
}

.menu-icon {
    width: 28px;
    display: none;
    cursor: pointer;
}

/* ===================== HERO SECTION ============================ */

.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 60px 40px 100px;
}

.hero-left {
    max-width: 40%;
}

.title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #6f6f6f;
    margin-bottom: 20px;
}

.desc {
    font-size: 1.15rem;
    line-height: 1.6;
    color: #333;
    margin-bottom: 35px;
}

.highlight {
    color: #ff6600;
    font-weight: 600;
}

.btn {
    padding: 14px 35px;
    background: #ff6600;
    color: white;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 40px;
    border: none;
    cursor: pointer;
}

.btn-a {
    text-decoration: none;
    color: white;
}
.hero-right {
    text-align: center;
}

.big-logo {
    width: 600px;
    opacity: 0.85;
}

.slogan {
    margin-top: 10px;
    font-size: 0.95rem;
    color: #555;
}

/* ===================== RESPONSIVE ============================ */

@media (max-width: 950px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-left, .hero-right {
        max-width: 100%;
    }

    .big-logo {
        width: 280px;
    }
}

@media (max-width: 768px) {

    .nav-desktop {
        display: none;
    }

    .big-logo {
        width: 280px;
        margin-top: 50px;
    }
    .menu-icon {
        display: block;
    }

    body.openNav .nav-desktop {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        right: 20px;
        background: white;
        padding: 20px;
        width: 200px;
        box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        border-radius: 10px;
    }
}




/* ===================== LESSON LIST SECTION ============================ */

.lessons-section {
    padding: 80px 40px;
    background: #ffffff;
    text-align: center;
}

.lessons-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 50px;
}

.lessons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    max-width: 1100px;
    margin: 0 auto;
}

.lesson-item {
    padding: 18px 20px;
    background: #fafafa;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 500;
    color: #333;
    text-align: left;
    border-left: 4px solid #ff6600;
    transition: 0.25s ease;
}

.lesson-item:hover {
    background: #ffe7d1;
    transform: translateX(4px);
}

/* Responsive */
@media (max-width: 900px) {
    .lessons-grid {
        grid-template-columns: 1fr;
    }
}


/* ===================== HOW IT WORKS / STEPS SECTION ============================ */

.steps-section {
    padding: 80px 40px;
    background: #fafafa;
    text-align: center;
}

.steps-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 60px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.step-item {
    background: #ffffff;
    padding: 35px 25px;
    border-radius: 14px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.07);
    transition: .3s ease;
}

.step-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.step-number {
    width: 55px;
    height: 55px;
    margin: 0 auto 18px;
    background: #ff6600;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
}

.step-item h3 {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 12px;
}

.step-item p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.6;
}

/* Responsive */

@media (max-width: 900px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .step-item {
        padding: 30px 20px;
    }
}



/* ===================== CTA SECTION ============================ */

.cta-section {
    width: 100%;
    padding: 90px 40px;
    background: #ff66000d; /* very light orange tint */
    display: flex;
    justify-content: center;
    text-align: center;
}

.cta-content {
    max-width: 700px;
}

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 35px;
}

.cta-btn {
    padding: 16px 40px;
    background: #ff6600;
    color: white;
    font-size: 1.15rem;
    font-weight: 600;
    border: none;
    border-radius: 40px;
    cursor: pointer;
    transition: .25s ease;
}

.cta-btn:hover {
    background: #e05500;
    transform: translateY(-3px);
}


/* ===================== FOOTER ============================ */

.footer {
    width: 100%;
    padding: 50px 20px;
    background: #ffffff;
    border-top: 1px solid #e5e5e5;
    display: flex;
    justify-content: center;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    height: 45px;
    margin-bottom: 18px;
    opacity: 0.9;
}

.footer-copy {
    font-size: 0.9rem;
    color: #777;
}